* hppa.c: Get rid of DEFUN, use more conventional prolog stuff.

* hppa.c:  Get rid of DEFUN, use more conventional prolog stuff.
Make a bunch more routines be static.
* hppa.c (fill_spaces):  Get rid of this, replace with much better
written setup_sections().
* (setup_sections):  New routine to create BFD sections for each
space and subspace in SOM files.
* (hppa_object_setup):  Use BFD sections created by
setup_sections() to locate GDB symbol table info.
* (make_unique_section):  New routine to create a BFD section.  It
ensures that the given name is unique, and will generate a unique
one if necessary.
* (hppa_object_p):  Become much more paranoid about file header.
* (make_bfd_asection):  Call bfd_make_section to do the dirty
work.  Simplify code somewhat.
* (hppa_core_file_p):  Use proper name for stack section.
* libhppa.h:  Remove millicode_start, millicode_end decls.